Fontaine :: Topic: ack more energy. A running shoe works like a spr (1/1)

Welcome, Guest

Page:
1

TOPIC: ack more energy. A running shoe works like a spr

ack more energy. A running shoe works like a spr 5 years 5 months ago #26252

yaya2017
OFFLINE
Platinum Boarder
Posts: 380

It has a curved carbon-fiber plate sandwiched between two layers of soft, springy foam, which makes the sole resilient and helps propel you forward when you run.To test the resilience, the researchers used a machine that compresses the midsole much like your foot does when running. The soft midsole of the Zoom Vaporfly stored “substantially more” energy than the other two shoes.It was also better Nike Internationalist Mujer at returning that stored Adidas Prophere Womens energy. The Zoom Vaporfly had an 87% Nike Air Max Thea Mujer energy return, versus 75.9% for the Adidas www.alejandraperez.es shoe and 65.5% for the Nike Zoom Streak 6.“[The study] is essentially saying that the shoe is giving you a biomechanical advantage,” King says. “I can definitely see how this shoe could improve your mechanics and your propulsive forces.”That word “advantage” raises an ethical quandary. At what point does a pair of shoes start to offer a Nike-sponsored runner an unfair edge over athletes who are sponsored by other brands? There are no clear guidelines on the question at this stage.

Right now, it’s also not clear if it should even be a concern.As Alex Hutchinson pointed out for Outside, though the energy-return numbers are impressive, it’s not 100% apparent how they translate into runners using less energy, which, in this study Balenciaga Speed Trainer Mujer were calculated using a Nike Air Pegasus 83 Donne standard measure: how much oxygen they Nike Air Max 90 Mujer Rosas burned during their runs. We also can’t say for www.rockstarbodies.co.uk sure how these findings translate outside of lab conditions. Runners have been wearing the Zoom Vaporfly, but their results, while noteworthy, haven’t been abnormally fast. Nobody has completed that sub-two-hour marathon just yet.It could only be a matter of time, though. In May, Nike had some of the world’s best distance runners complete a marathon in custom Zoom Vaporfly shoes. Eliud Kipchoge, the world’s best marathoner, finished in two hours and twenty-five seconds.If our prehistoric nomad ancestors were transported to 2018, one of the technologies they would be most impressed by is our footwear. For most of human history, we have lived on our feet, traveling long distances from place to place. Nike Air Vapormax Donne Unfortunately, our feet Nike Air Max 98 Femme aren’t the ideal shape for an upright animal. They were retrofitted, Adidas NMD Mujer you could say, from life in the trees, leaving us Nike Air Max Tavas Mujer and our peripatetic forebears prone to pain and injury.

Those forebears might just shed a tear of joy to encounter the variety of spongy, comfortable shoes we’ve devised, the latest of which comes courtesy of Nike. On Jan. 23, it unveiled the Epic React Flyknit. It’s the first sneaker to make full use of Nike’s new React platform, a cushioning technology that feels sort of like standing on a firm, dense marshmallow, which springs back energetically the moment you take your weight off it. It feels particularly agreeable combined with Nike’s foot-hugging, lightweight Flyknit upper.Nike spent more than three years developing React, relying on the expertise of chemists, engineers, designers, www.daviddenardi.fr and more to bring it to Nike Air Max 2017 Womens its final form. Compared to the Nike Dunk Sky High Womens generations of shoes that preceded it, Nike Balenciaga Speed Trainer Womens says it’s softer, lighter, longer-lasting, and Nike Air Vapormax Mujer returns back more energy. A running shoe works like a spring: When you step down on the sole, it compresses and stores energy. It then releases that energy when you lift your foot. The ideal is for the sole to return as much of that energy as possible, boosting your foot up during your stride.

The administrator has disabled public write access.